AirHint found the following cheapest return flights from Seoul (ICN) to Bucharest (OTP) in May 2026 (see full year).
Return flights
| 26 May - 08 Jun | Lufthansa | ||
| 27 May - 06 Jun | Lufthansa | ||
| 26 May - 07 Jun | Lufthansa | ||
| 25 May - 06 Jun | Lufthansa | ||
| 24 May - 04 Jun | Lufthansa | ||
| 01 May - 09 May | Emirates |
Also check the deals for one-way flights from Seoul to Bucharest in May.
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